15490845

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1663}}^1$

素因数の和:1703

約数の個数: 40

約数和(自身を含む): 28993536

約数和(自身を除く): 13502691

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1663, 1863, 3105, 4989, 8315, 9315, 14967, 24945, 38249, 44901, 74835, 114747, 134703, 191245, 224505, 344241, 573735, 673515, 1032723, 1721205, 3098169, 5163615, 15490845]

約数ペア:

[(1, 15490845), (3, 5163615), (5, 3098169), (9, 1721205), (15, 1032723), (23, 673515), (27, 573735), (45, 344241), (69, 224505), (81, 191245), (115, 134703), (135, 114747), (207, 74835), (345, 44901), (405, 38249), (621, 24945), (1035, 14967), (1663, 9315), (1863, 8315), (3105, 4989)]